Answer:
Colloids or colloidal solutions are mixtures in which microscopically dispersed insoluble particles of one substance are suspended in another substance. The size of the suspended particles in a colloid can range from 1 to 1000 nanometers (10-9 meters).
Hope it helps........
Not directly. Detectors can convert to a form that is visible to the human eye. Hope that helps
I would say the answer is b but all of the answer choices could be the correct answer(hope that helps)
